-98.18% is the change from 439 to 8
Calculation steps:
[( 8 - 439 ) ÷ 439] x 100 = -98.18%
Formula
Percentage change = [(8 - 439) / 439] x 100
Subtract the new number by the original number
8 - 439 = -431
-431 ÷ 439 = -0.9817767653758542
-0.9817767653758542 x 100 = -98.18%